DE19511587B4 - Verfahren zum Optimieren des Lesekanals einer Plattenlaufwerk-Aufzeichnungsvorrichtung durch Verwendung einer Fehlerrate - Google Patents

Verfahren zum Optimieren des Lesekanals einer Plattenlaufwerk-Aufzeichnungsvorrichtung durch Verwendung einer Fehlerrate Download PDF

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Publication number
DE19511587B4
DE19511587B4 DE19511587A DE19511587A DE19511587B4 DE 19511587 B4 DE19511587 B4 DE 19511587B4 DE 19511587 A DE19511587 A DE 19511587A DE 19511587 A DE19511587 A DE 19511587A DE 19511587 B4 DE19511587 B4 DE 19511587B4
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DE
Germany
Prior art keywords
error rate
equalizer
bandwidth
recording device
comparing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE19511587A
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German (de)
English (en)
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DE19511587A1 (de
Inventor
Heung-Min Suwon Oh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of DE19511587A1 publication Critical patent/DE19511587A1/de
Application granted granted Critical
Publication of DE19511587B4 publication Critical patent/DE19511587B4/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/027—Analogue recording
    • G11B5/035—Equalising
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1816—Testing

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Digital Magnetic Recording (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Optical Recording Or Reproduction (AREA)
DE19511587A 1994-04-27 1995-03-29 Verfahren zum Optimieren des Lesekanals einer Plattenlaufwerk-Aufzeichnungsvorrichtung durch Verwendung einer Fehlerrate Expired - Fee Related DE19511587B4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1019940009013A KR970010637B1 (ko) 1994-04-27 1994-04-27 에러율을 이용한 디스크 구동 기록매체의 리드채널 최적화방법
KR9013/94 1994-04-27

Publications (2)

Publication Number Publication Date
DE19511587A1 DE19511587A1 (de) 1995-11-02
DE19511587B4 true DE19511587B4 (de) 2006-04-20

Family

ID=19381882

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19511587A Expired - Fee Related DE19511587B4 (de) 1994-04-27 1995-03-29 Verfahren zum Optimieren des Lesekanals einer Plattenlaufwerk-Aufzeichnungsvorrichtung durch Verwendung einer Fehlerrate

Country Status (5)

Country Link
US (1) US5610776A (ko)
JP (1) JP2868707B2 (ko)
KR (1) KR970010637B1 (ko)
CA (1) CA2143081C (ko)
DE (1) DE19511587B4 (ko)

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KR100241750B1 (ko) * 1996-09-18 2000-02-01 윤종용 자기 디스크 기록장치에 있어서 서보라이트시 기록전류 최적화 방법
KR100233402B1 (ko) * 1996-12-31 1999-12-01 윤종용 리드채널 최적화 수행시간 단축방법
KR100228798B1 (ko) 1997-05-09 1999-11-01 윤종용 파형등화기의 대역폭 자동조절방법
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US6057981A (en) * 1997-09-23 2000-05-02 Seagate Technology, Inc. Product information identification in a head disc assembly
KR100515720B1 (ko) * 1998-02-21 2005-11-29 삼성전자주식회사 리드/라이트 채널인자 최적화방법
KR100585054B1 (ko) * 1998-02-27 2006-07-31 삼성전자주식회사 하드 디스크 드라이브의 사용시 자체 채널 인자값 설정 방법
US6151180A (en) * 1998-04-15 2000-11-21 Samsung Electronics Co., Ltd. Method and apparatus for detecting defects on a disk in a hard disk drive
US6268974B1 (en) 1998-07-13 2001-07-31 Seagate Technology Llc Gain optimization in a disc drive
US6445530B1 (en) 1998-09-25 2002-09-03 Seagate Technology Llc Class AB H-bridge using current sensing MOSFETs
JP3514638B2 (ja) 1998-09-28 2004-03-31 株式会社日立製作所 環境変動耐力の高い磁気ディスク装置
US6704161B1 (en) 1998-11-06 2004-03-09 Samsung Electronics Co. Ltd. Shock protection skin bumper for a hard disk drive
US6417986B1 (en) 1998-11-16 2002-07-09 Samsung Electronics Co., Ltd. Impact guard for limiting hard disk movement
US6549372B1 (en) 1998-12-15 2003-04-15 Samsung Electronics Co., Ltd Device for limiting head movement within a hard disk drive
JP2000251419A (ja) * 1999-02-26 2000-09-14 Sony Corp 読み出し制御装置、再生装置、記録装置およびその方法
US6417994B1 (en) 1999-04-22 2002-07-09 Samsung Electronics, Co., Ltd. Swage plate with protruded walls to increase retention torque in hard disk applications
JP4077993B2 (ja) 1999-07-30 2008-04-23 株式会社日立グローバルストレージテクノロジーズ 性能評価方法及び性能評価装置並びにこれらを用いた記録再生装置
US6501614B1 (en) 1999-08-19 2002-12-31 Samsung Electronics Co., Ltd. Acoustic insulator for controlling noise generated in a mass storage device
US6744597B2 (en) 1999-10-29 2004-06-01 Samsung Electronics Co., Ltd. Dynamic absorber for an actuator arm in a disk drive
US6947252B2 (en) 2000-05-10 2005-09-20 Samsung Electronics Co., Ltd. Wave stringer for controlling acoustic noise and shock vibration in a storage device
US6791778B2 (en) 2000-09-14 2004-09-14 Samsung Electronics Co., Inc. Method and apparatus to detect and manage servo sectors with defect on servo pattern area in hard disk drives
US6446517B1 (en) 2000-11-20 2002-09-10 Samsung Electronics Company Controlled particle deposition in drives and on media for thermal asperity studies
US6590738B2 (en) 2001-03-01 2003-07-08 Samsung Electronics Co., Ltd. Particle removal device in a hard disk drive
US6762908B2 (en) 2001-06-18 2004-07-13 Samsung Electronics Co., Ltd. Air razor and disk limiter for a hard disk drive
US6791775B2 (en) 2001-10-15 2004-09-14 Samsung Electronics, Co., Inc. Method and apparatus to distinguish effects of adjacent track encroachment from head thermal movement
EP1304908B1 (de) * 2001-10-22 2006-05-24 TridonicAtco GmbH & Co. KG Fehlerkorrektur von Referenzwerten in elektronischen Schaltungen
US6556006B1 (en) 2001-11-21 2003-04-29 Samsung Electronics Co., Ltd. Method for magneto-resistive head electrostatic popping detection
US20030214747A1 (en) * 2002-05-14 2003-11-20 Debasis Baral Servo writing method for hard disk drives
KR100468778B1 (ko) * 2002-12-13 2005-01-29 삼성전자주식회사 하드디스크 드라이브의 기록 전류 최적화 방법 및 기록밀도 설정 방법
US8161361B1 (en) 2003-01-28 2012-04-17 Marvell International Ltd. Averaging signals to improve signal interpretation
KR100546314B1 (ko) * 2003-02-08 2006-01-26 삼성전자주식회사 저장 장치 및 저장 장치에서의 독출 에러 복구 방법
US7274732B2 (en) * 2003-03-21 2007-09-25 Texas Instruments Incorporated Echo cancellation in communication systems with asymmetric data rates
US20050030660A1 (en) * 2003-08-08 2005-02-10 Ho-Yul Bang Amplitude spike detector for head instability
US7158324B2 (en) * 2004-09-20 2007-01-02 Guzik Technical Enterprises Self-adjusting PRML receiver
US7730384B2 (en) * 2005-02-28 2010-06-01 Agere Systems Inc. Method and apparatus for evaluating performance of a read channel
US7436615B2 (en) * 2005-12-08 2008-10-14 International Business Machines Corporation Using a measured error to determine coefficients to provide to an equalizer to use to equalize an input signal
TWI460997B (zh) 2012-02-23 2014-11-11 Alchip Technologies Ltd 具雜訊抵抗力的可適性時脈信號產生器
US11080621B2 (en) 2018-06-18 2021-08-03 Western Digital Technologies, Inc. Machine learning-based read channel data detection
US11811425B2 (en) 2021-05-18 2023-11-07 Western Digital Technologies, Inc. Neural network soft information detector in a read channel

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DE3126232A1 (de) * 1980-07-03 1982-08-19 Victor Company Of Japan, Ltd., Yokohama, Kanagawa Geraet zur wiedergabe eines informationssignal-aufzeichnungstraegers
DE3729882C2 (ko) * 1987-09-05 1992-04-16 Bts Broadcast Television Systems Gmbh, 6100 Darmstadt, De
US5274512A (en) * 1989-03-13 1993-12-28 Sony Corporation Coefficient control system for digital equalizer using orthogonal oscillation
US5327302A (en) * 1992-09-16 1994-07-05 At&T Bell Laboratories Data filter tuning for constant density recording applications

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Publication number Priority date Publication date Assignee Title
DE3126232A1 (de) * 1980-07-03 1982-08-19 Victor Company Of Japan, Ltd., Yokohama, Kanagawa Geraet zur wiedergabe eines informationssignal-aufzeichnungstraegers
DE3729882C2 (ko) * 1987-09-05 1992-04-16 Bts Broadcast Television Systems Gmbh, 6100 Darmstadt, De
US5274512A (en) * 1989-03-13 1993-12-28 Sony Corporation Coefficient control system for digital equalizer using orthogonal oscillation
US5327302A (en) * 1992-09-16 1994-07-05 At&T Bell Laboratories Data filter tuning for constant density recording applications

Also Published As

Publication number Publication date
JP2868707B2 (ja) 1999-03-10
JPH07296529A (ja) 1995-11-10
KR950030118A (ko) 1995-11-24
US5610776A (en) 1997-03-11
KR970010637B1 (ko) 1997-06-28
CA2143081A1 (en) 1995-10-28
DE19511587A1 (de) 1995-11-02
CA2143081C (en) 1998-06-23

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Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee